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Folder names become UPPERCASE when syncing to FAT32 drive ?

    Question

  • Hi, I have started experiencing this very strange issue in the last few months. I did not have this issue before and I do not know what is causing it now.

    I am using SyncToy 2.1 on Windows 10. I am syncing files to a FAT32 formatted USB drive.

    The Problem: Folders whose folder name is less than 9 characters and contain no spaces get copied over to the USB in UPPERCASE if the folder name contains mixed case characters. If the folder name is less than 9 characters but contains a space, then it is copied correctly. If the folder name is more than 8 characters, it is copied correctly. lowercase folder names (<9 chars and without spaces) remain in lowercase, UPPERCASE folder names (<9 chars and without spaces) remain in UPPERCASE. It is only Mixed case that is the problem. The problem only affects folder names, all files' filenames are copied correctly regardless of the length. I have tested on multiple Windows 10 PC's and they all have the same problem. I have tested multiple FAT32 USBs and they all have the same problem. The problem is not present when using NTFS file system, however I need to use FAT32.

    Examples (PC folder name -> USB folder name):

    Incorrect:

    • Test -> TEST
    • Abcdefgh -> ABCDEFGH

    Correct:

    • Te st -> Te st
    • Abcdefghi -> Abcdefghi

    I never had this problem before. Why is it doing this strange behaviour all of a sudden ? Any feedback is appreciated. Thanks.




    • Edited by R-P-H Friday, February 23, 2018 2:13 PM
    Friday, February 23, 2018 12:19 AM

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